diff(Function[, With respect to][, Order])
Arguments.
Function: a free value
With respect to: an unknown variable/symbol (optional)
Order: an integer >= 1 (optional)
extremum(Function[, With respect to])
Arguments.
Function: a free value
With respect to: an unknown variable/symbol (optional)
integrate(Function[, Variable of Integration])
Arguments.
Function: a free value
Variable of Integration: an unknown variable/symbol (optional)